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Neutron Total Scattering Analysis of Materials for the Nuclear Fuel Cycle.

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Title: Neutron Total Scattering Analysis of Materials for the Nuclear Fuel Cycle.
Authors: O'Quinn, Eric C.1 (AUTHOR) eoquinn1@utk.edu, Hirtz, John M.1 (AUTHOR), Overstreet, Cale C.1 (AUTHOR), Cureton, William F.2 (AUTHOR), Gussev, Igor M.1,3 (AUTHOR), Solomon, Alexandre P.1 (AUTHOR), Toimil-Molares, Maria Eugenia4 (AUTHOR), Lang, Maik K.1 (AUTHOR)
Source: Nuclear Science & Engineering. Jun2026, Vol. 200 Issue 6, p1440-1454. 15p.
Subject Terms: *Neutron scattering, *Fuel cycle, *Crystal defects, *Uranium oxides, *Multiple scattering (Physics), *Radioactive substances, *Radial distribution function
Company/Entity: University of Tennessee, Knoxville , Oak Ridge National Laboratory
Abstract: This paper reviews recent experimental efforts at the University of Tennessee and Oak Ridge National Laboratory to comprehensively characterize the structural details of materials relevant for the nuclear fuel cycle by employing advanced neutron scattering techniques. For the study of nuclear ceramics, neutron scattering offers distinct advantages over traditional laboratory or synchrotron X-ray diffraction, including enhanced sensitivity to elements with a low atomic mass, such as oxygen, nitrogen, and carbon. The key to these efforts is the recent advancement in the neutron scattering infrastructure at the high-flux diffractometers at the Spallation Neutron Source. The high neutron flux at these instruments enables neutron total scattering, a nondestructive bulk technique that simultaneously captures both short-range structural effects through pair distribution function analysis and long-range order through diffraction pattern analysis. This approach is particularly important for a comprehensive description of defective, disordered, or amorphous nuclear materials. The case studies presented here include analyses of the local defect structure in hyperstoichiometric uranium oxides and short-range order of ion-irradiated ceramics. This advanced analytical methodology will improve our understanding of the behavior of materials in extreme environments and contribute to the development of more resilient nuclear materials. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
FullText Text:
  Availability: 0
Header DbId: enr
DbLabel: Energy & Power Source
An: 193364448
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
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  Data: Neutron Total Scattering Analysis of Materials for the Nuclear Fuel Cycle.
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  Data: <searchLink fieldCode="AR" term="%22O'Quinn%2C+Eric+C%2E%22">O'Quinn, Eric C.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> eoquinn1@utk.edu</i><br /><searchLink fieldCode="AR" term="%22Hirtz%2C+John+M%2E%22">Hirtz, John M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Overstreet%2C+Cale+C%2E%22">Overstreet, Cale C.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cureton%2C+William+F%2E%22">Cureton, William F.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gussev%2C+Igor+M%2E%22">Gussev, Igor M.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Solomon%2C+Alexandre+P%2E%22">Solomon, Alexandre P.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Toimil-Molares%2C+Maria+Eugenia%22">Toimil-Molares, Maria Eugenia</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lang%2C+Maik+K%2E%22">Lang, Maik K.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Nuclear+Science+%26+Engineering%22">Nuclear Science & Engineering</searchLink>. Jun2026, Vol. 200 Issue 6, p1440-1454. 15p.
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  Data: *<searchLink fieldCode="DE" term="%22Neutron+scattering%22">Neutron scattering</searchLink><br />*<searchLink fieldCode="DE" term="%22Fuel+cycle%22">Fuel cycle</searchLink><br />*<searchLink fieldCode="DE" term="%22Crystal+defects%22">Crystal defects</searchLink><br />*<searchLink fieldCode="DE" term="%22Uranium+oxides%22">Uranium oxides</searchLink><br />*<searchLink fieldCode="DE" term="%22Multiple+scattering+%28Physics%29%22">Multiple scattering (Physics)</searchLink><br />*<searchLink fieldCode="DE" term="%22Radioactive+substances%22">Radioactive substances</searchLink><br />*<searchLink fieldCode="DE" term="%22Radial+distribution+function%22">Radial distribution function</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22University+of+Tennessee%2C+Knoxville%22">University of Tennessee, Knoxville</searchLink> <br /><searchLink fieldCode="DE" term="%22Oak+Ridge+National+Laboratory%22">Oak Ridge National Laboratory</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper reviews recent experimental efforts at the University of Tennessee and Oak Ridge National Laboratory to comprehensively characterize the structural details of materials relevant for the nuclear fuel cycle by employing advanced neutron scattering techniques. For the study of nuclear ceramics, neutron scattering offers distinct advantages over traditional laboratory or synchrotron X-ray diffraction, including enhanced sensitivity to elements with a low atomic mass, such as oxygen, nitrogen, and carbon. The key to these efforts is the recent advancement in the neutron scattering infrastructure at the high-flux diffractometers at the Spallation Neutron Source. The high neutron flux at these instruments enables neutron total scattering, a nondestructive bulk technique that simultaneously captures both short-range structural effects through pair distribution function analysis and long-range order through diffraction pattern analysis. This approach is particularly important for a comprehensive description of defective, disordered, or amorphous nuclear materials. The case studies presented here include analyses of the local defect structure in hyperstoichiometric uranium oxides and short-range order of ion-irradiated ceramics. This advanced analytical methodology will improve our understanding of the behavior of materials in extreme environments and contribute to the development of more resilient nuclear materials. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=193364448
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/00295639.2025.2525612
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 15
        StartPage: 1440
    Subjects:
      – SubjectFull: Neutron scattering
        Type: general
      – SubjectFull: Fuel cycle
        Type: general
      – SubjectFull: Crystal defects
        Type: general
      – SubjectFull: Uranium oxides
        Type: general
      – SubjectFull: Multiple scattering (Physics)
        Type: general
      – SubjectFull: Radioactive substances
        Type: general
      – SubjectFull: Radial distribution function
        Type: general
      – SubjectFull: University of Tennessee, Knoxville
        Type: general
      – SubjectFull: Oak Ridge National Laboratory
        Type: general
    Titles:
      – TitleFull: Neutron Total Scattering Analysis of Materials for the Nuclear Fuel Cycle.
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            NameFull: O'Quinn, Eric C.
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            NameFull: Hirtz, John M.
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            NameFull: Overstreet, Cale C.
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            NameFull: Cureton, William F.
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            NameFull: Gussev, Igor M.
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            NameFull: Toimil-Molares, Maria Eugenia
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            NameFull: Lang, Maik K.
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          Dates:
            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
          Identifiers:
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              Value: 00295639
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              Value: 200
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            – TitleFull: Nuclear Science & Engineering
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